28 HVAC Service Contractors in Frederick, MD

4.8 avg rating
12,278 total reviews11 offer 24/7 service
Need emergency service? 14 HVAC providers in Frederick offer 24/7 availability

Top-Rated HVAC Service Contractors in Frederick

#1

Smock Heating & Air

5.0(1,711 reviews)
Highly Rated

Every reviewer award Smock Heating & Air a perfect 5 stars, with customers highlighting same-day arrivals, thorough clean-up practices, and technician…

1539 Tilco Dr Unit 104, Frederick, MD 21704
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#2

Tuckers Air Conditioning, Heating & Plumbing

4.9(1,657 reviews)
Highly Rated

Every reviewer awarded 5 stars, with specific technician names appearing across multiple positive accounts. Customers consistently praisedadvance notification…

4650 Wedgewood Blvd #102, Frederick, MD 21703
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#3

TriState Home Services

4.8(1,715 reviews)
24/7 Highly Rated

Every visible reviewer awarded 5 stars, with multiple customers specifically naming the technician who assisted them and describing detailed explanations…

82A Wormans Mill Ct, Frederick, MD 21701
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All HVAC Service Contractors (28 total)

May's Heating & Air Conditioning

5.0(945)
Highly Rated

Five reviewers specifically named technicians Brian, Todd M., Karen, or the team, describing diagnostic…

8420 Gas House Pike DD, Frederick, MD 21701
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Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical

4.8(991)
24/7 Highly Rated

Nearly all reviews mention specific technicians by name and praise punctuality and professionalism, with…

5744 Industry Ln Suite N, Frederick, MD 21704
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United Air Temp

4.7(928)
24/7

Among nine verified reviews, six five-star entries uniformly praise technician professionalism and on-time…

5305 Jefferson Pike Suite 5, Frederick, MD 21703
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Honest Air Heating & Air Conditioning

5.0(568)
Highly Rated

Every reviewer awards five stars, with technicians named across multiple reviews including Stephen, Joseph,…

511 N Bentz St, Frederick, MD 21701
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Markool Heating Cooling Plumbing

4.9(565)
24/7 Highly Rated

Every reviewer awarded 5 stars, with multiple customers noting same-day response times and the company's…

5304C Kings Ct, Frederick, MD 21703
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Warner Service

4.8(558)
24/7 Highly Rated

Every reviewer mentions same-day or emergency response times, with several specifically naming technicians…

217 Monroe Ave, Frederick, MD 21701
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BPM Heating, Cooling & Plumbing

5.0(398)
Highly Rated

All 398 reviews award 5 stars, a rare achievement indicating consistent customer satisfaction. Multiple…

300 E 4th St Unit A, Frederick, MD 21701
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Airtron Heating & Air Conditioning

4.5(774)
24/7

774 reviews yield a 4.5-star average, with four named technicians receiving consistent praise for diagnostic…

5123 Pegasus Ct Suites K-N, Frederick, MD 21704
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W.A. Tolbard Gas Fireplace Shop

4.9(289)
Highly Rated

Two hundred eighty-nine reviewers award this Frederick fireplace specialist a 4.9 average rating, with every…

413 N East St, Frederick, MD 21701
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Aero Energy

4.9(229)
Highly Rated

Seven of eight reviewers awarded five-star ratings, with recurring themes of same-day emergency response,…

8038 Liberty Rd, Frederick, MD 21701
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Amerilogic

5.0(146)
Highly Rated

Five-star ratings dominate the feedback, with 146 reviews producing a perfect 5.0 average. Reviewers…

5100 Buckeystown Pike suite 250, Frederick, MD 21704
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Wyant Service Experts

4.8(168)
24/7 Highly Rated

One hundred sixty-eight reviews cluster tightly at the five-star level, with clients consistently praising…

4959 New Design Rd, Frederick, MD 21703
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Alexair, LLC

5.0(120)
Highly Rated

Seven of seven sampled reviewers awarded 5-star ratings and specifically mentioned same-day or rapid-response…

427 Megan Ct, Frederick, MD 21701
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Michael & Son Services

4.4(183)
24/7

Of 183 reviews informing the 4.4-star rating, dissatisfied customers cite insufficient diagnosis combined…

5730 Industry Ln, Frederick, MD 21704
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N E Bob Waltz Plumbing & Heating Inc

4.7(103)

Four of four featured reviewers awarded five stars, with technicians named Joe, Jackson, and Steve appearing…

8098 Hillmark Ct, Frederick, MD 21704
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Tetteris Hvac llc.

4.6(102)

Two of three substantive reviews describe same-day or rapidly-responsive service during heat wave…

8600 Chestnut Grove Rd, Frederick, MD 21701
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Mid-Atlantic Comfort Specialists

4.5(48)

Three of four detailed reviews award five stars, citing specific technician competence, same-day…

11327 Liberty Rd B, Frederick, MD 21701

Prime AC Repair Frederick

5.0(16)
24/7

Three of eight reviewers specifically praise 45-minute response times during emergencies, while two mention…

19 Industry Ln, Frederick, MD 21704
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Frederick Heating & Air Conditioning Services

4.8(16)

Across 16 reviews, Frederick Heating & Air Conditioning Services holds a 4.8-star average with 15 five-star…

5732 Buckeystown Pike, Frederick, MD 21704
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America's Green Heating & AC Co., LLC.

4.5(15)

Twelve of fifteen reviewers awarded five stars, citing honesty, fair pricing, and technician professionalism.…

6907 Baltimore National Pike #7, Frederick, MD 21702
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Holtzople Heating, Air Conditioning & Electrical Services

5.0(11)
24/7

All 11 client reviews award 5 stars, with multiple reviewers highlighting same-day availability, arrival…

176 Thomas Johnson Dr # 104, Frederick, MD 21702
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Maryland Mechanical Services HVAC LLC

5.0(6)

All six reviews award five stars, with every reviewer highlighting specific positive attributes: reliability,…

6134 Pine Crest Ln, Frederick, MD 21701
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Precision Heating & Cooling, Inc.

2.8(12)
24/7

Four of five detailed reviews address specific service scenarios: two praise honest diagnostic practices, one…

10542 Liberty Rd, Frederick, MD 21701
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J M Fletcher Heating & AC

5.0(3)

All three reviews award five stars, with customers praising fair pricing, diagnostic skill, and personalized…

11595 Liberty Oak Dr, Frederick, MD 21701
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Jacks Heating & AC

5.0(1)

One client awarded 5 stars and described the company as wonderful, noting courteous and very helpful service…

9307 Oak Spring Ct, Frederick, MD 21701
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HVAC Service Costs in Frederick

General HVAC service pricing across maintenance, repair, and installation in Frederick.

ServiceLowAverageHigh
Service call / diagnostic
$75$120$200
Routine tune-up (single system)
$70$125$200
Standard repair (avg)
$150$600$1,200
Major repair (compressor, heat exchanger)
$1,500$2,500$3,500
New system installation (mid-range)
$6,500$10,500$14,000
Full HVAC replacement
AC + furnace combined
$11,590$13,430$14,100

Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

HVAC Service in Frederick, MD: What to Expect

Frederick sits where Maryland's continental climate meets the moderating influence of the Chesapeake Bay, creating real challenges for home comfort systems. Summers Push into the upper 80s with sticky humidity that strains cooling equipment, while winter temperatures regularly drop to the mid-20s, demanding heating systems that perform reliably when they are needed most. With 29 HVAC contractors serving the Frederick area and an average rating of 4.8 across more than 12,000 customer reviews, homeowners in this market have access to a competitive field of service providers ready to address both summer cooling loads and winter heating failures.

Understanding what professional hvac service in Frederick costs requires looking at specific threshold numbers rather than general estimates. A standard service call and diagnostic runs between $75 and $200, while routine seasonal tune-ups for a single system typically fall between $70 and $200. When repairs become necessary, standard work commonly ranges from $150 up to $1,200 depending on part requirements and labor. All contractors operating in Maryland must hold a Master HVACR License issued by the state Department of Labor, which establishes baseline qualifications for anyone performing this work professionally.

Customer feedback reveals consistent patterns beyond star ratings. Homeowners reviewing Smock Heating & Air frequently mention same-day service arrivals and technicians who take time to explain system conditions rather than simply completing the job. Reviewers of Tuckers Air Conditioning, Heating & Plumbing consistently praise advance notification of arrival windows and methodical service approaches. TriState Home Services receives mention for detailed explanations provided during calls, with customers noting the specific care taken to answer questions about system operation and maintenance.

Frequently Asked Questions

HVAC service pricing in Frederick ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.

All HVAC Contractors in Frederick, MD

Complete directory of 33 contractors — browse alphabetically

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